1.Association between epicardial adipose tissue thickness and left ventricular remodeling in dilated cardiomyopathy
Chinese Journal of Postgraduates of Medicine 2014;37(4):17-19
Objective To explore the association between epicardial adipose tissue (EAT) thickness and left ventricular remodeling,left ventricular dysfunction in dilated cardiomyopathy (DCM).Methods One hundred and sixteen patients with DCM (DCM group) and 76 healthy subjects (control group) were examined by ultrasoundcardiogram.Left ventricular end-systolic diameter (LVESD),left ventricular end-diastolic diameter (LVEDD),left ventricular end-systolic volume (LVESV),left ventricular end-diastolic volume (LVEDV),left ventricular end-systolic volume index (LVESVI),left ventficular end-diastolic volume index (LVEDVI),left ventricular ejection fraction (LVEF) and EAT thickness were measured or calculated,and the relationship was evaluated.Results EAT thickness in DCM group was significantly lower than that in control group [(4.7 ± 1.2) mm vs.(7.6 ± 2.1) mm],and there was statistical difference (P < 0.05).The linear correlation analysis results showed there was positive correlation between EAT thickness and LVESD,LVEDD,LVESV,LVEDV,LVEDVI,LVESVI (r =0.236,0.220,0.245,0.256,0.282,0.279,P < 0.05),and there was no relationship between EAT thickness and LVEF (r =0.134,P >0.05).Conclusions In patients with DCM,there is a correlation between EAT thickness and ventricular remodeling.There is no correlation between EAT thickness and left ventricular dysfunction.
2.Bioethics is the Ethics of Love
Chinese Medical Ethics 1995;0(03):-
The paper discusses the importance of bioethics,which is a love of life.Bioethics is the ethics of love.Three parts are included in the paper: love is foundation of bioethics;love is core of existence of bioethics;love impels bioethics to further develop.Love instructs the choice of objective bioethics in the toleration circumstance.Furthermore,love can impel the construction of bioethics in the progress of medical beneficence development.
3.Culture,purification and differentiation in vitro of human retinal progenitors
Basic & Clinical Medicine 2006;0(08):-
Objective To study the expansion and purification of human retinal progenitors cultured in vitro.(Methods Human) embryonic retinal progenitor cells(RPCs) were cultured.The characteristics of neural stem cell were observed.The expression of Nestin was examined flow cytometry(FCM) for the comparsion between the primary and secondary passages.The differentiation of RPCs had been observed after that they had been cultured in different conditions.Results Human RPCs had proliferated and formed cell clusters with a shape of neurosphere.After digestion,the scattered progenitors formed secondary neurosphere-like cell clusters.The cells in those clusters expressed Nestin and were negative for the mature retinal cell proteins.After spontaneous differentiation,the retinal progenitors expressed special proteins of mature retinal cells,including neuron specific enolase(NSE),glial fibrillary acidic protein(GFAP),protein kinase C(PKC) and Syntaxin-1.The expression of Nestin in the secondary culture passage was(39.3?18.9)%,which was significantly higher than that of the primary passage [(28.7?17.7)%](P
4.Effect of Qidan Tongmai Tablet on Ca~(2+) and ultrastructure of myocardial cell in rats
Chinese Traditional and Herbal Drugs 1994;0(05):-
Objective To study the protective effect of Qidan Tongmai Tablet (QDTMT) on the (injury) induced by acute myocardial ischemia. Methods Acute myocardial ischemia was induced by sc isoproterenol (Iso, 5 mg/kg) into SD rats pretreated with ig QDTMT (2 g/kg) for two weeks. Activities of Ca~(2+)-(ATPase) in myocardial mitochondria and content of Ca~(2+) in myocardium and myocardial mitochondria were determined by colorimetric method. The changes of myocardial ultrastructure were investigated by means of transmission electron microscope. Results Compared with the controls, activities of Ca~(2+)-(ATPase) in mitochondrion were strengthened in QDTMT group and the content of Ca~(2+) was decreased ((P
5.Research progress of the protection strategies of female fertility in radiotherapy
Clinical Medicine of China 2021;37(3):232-236
Radiotherapy is an important treatment for malignant tumors, but it will have a negative impact on the reproductive function of young female patients.In recent years, the measures to protect female fertility are increasing, including clinical mature technologies such as embryo cryopreservation and mature oocyte cryopreservation; highly experimental technologies such as immature oocyte in vitro fertilization and ovarian tissue cryopreservation and transplantation.In addition, the application of stem cells and the proposal of artificial ovary also show great prospects in the protection of female fertility.This paper reviews the research progress of female fertility protection strategies in radiotherapy.
6.Protective effects of cannabinoid receptor agonist WIN55,212-2 preconditioning on spinal cord ischemia reperfusion injury in rats
Journal of Chinese Physician 2015;17(12):1816-1819
Objective To explore the effects of cannabinoid receptor agonist WIN55,212-2 preconditioning on spinal cord ischemia reperfusion injury in rats.Methods A total of 32 male Sprague-Dawley rats was randomly divided into four groups (n =8):sham group,control group,dimethyl sulfoxide(DMSO) group which was given intraperitoneally DMSO 0.3 ml 30 min before ischemia reperfusion,and WIN group which was given intraperitoneally WIN55,212-2 1 mg/kg 30 min before ischemia reperfusion.Each rat was neurologically assessed at 24 h and 48 h after reperfusion by Tarlov scale,and the number of normal motor neurons at anterior horn of the spinal cord was recorded.Res uits The Tarlov scale of WIN group was significantly higher than that control and DMSO groups (P < 0.05).There were more normal motor neurons at anterior horn of the spinal cord in WIN group than those in control and DMSO groups (P < 0.05).Conclusions Cannabinoid receptor agonist WIN55,212-2 preconditioning might attenuate spinal cord ischemia reperfusion injury.
7.Optimization of Processing Technology of Nine Steaming Nine Drying of Rehmannia glutinosa by Multiple Indexes Comprehensive Balance Method-Orthogonal Test
China Pharmacy 2016;27(7):962-965
OBJECTIVE:To optimize the processing technology of nine steaming nine drying of Rehmannia glutinosa. METH-ODS:L9(34) orthogonal experimental design was adopted to investigate the effects of the amount of added wine,steaming time and drying way on processing technology using the content and property of 5-hydroxymethyl furfural,acteoside,reducing sugar wa-ter extract,and character score as indexes. Comprehensive balance method was used for result evaluation,and optimized technolo-gy was validated. RESULTS:The optimized processing condition was as follows as the amount of added yellow wine 40%,steam-ing for 9 times,lasting for 6 h each time,blast drying at 70 ℃. Average value of each factor in validation test was 4.030 mg/g, 0.117 mg/g,0.376 7 g/g,0.733 g/g and 9.0 points,respectively. Their RSDs were 1.78%,2.9%,1.54%,2.13% and 0.1%(n=3). CONCLUSIONS:Optimized technology is reasonable and controllable in product quality,and can provide reference for quality control study of nine steaming nine drying of R. glutinosa.
8.Preliminary clinical study of BHMT as a novel serum marker for acute poisoning liver injury
International Journal of Laboratory Medicine 2017;38(1):41-43
Objective To analyze the value of the serum BHMT for diagnosis of hepatic injury in patients with acute poisoning.Methods ELISA method was used to detect BHMT in serum samples,and the samples were detected in the sera of normal persons and patients with acute poisoning.Results 300 samples were detected in the sera of normal persons by ELISA method.The average level of human serum B HMT content in 300 samples was 9.02 ng/mL(6.19-12.84 ng/mL),and the 95 % medical reference value of BHMT content in healthy people ranges from 0.00 to 28.01 ng/mL.BHMT and ALT were detected in 43 samples from acute liver injury,the Spearman analysis indicating a good positive correlation between BHMT and ALT(rs =0.757 62,P<0.001).The comparison of the content of BHMT was made between the serum samples from 20 renal damage patient and 20 normal human serum,there was no significant difference in the BHMT content between the serum of patients with renal injury and the normal human serum(P>0.05).Conclusion The medical reference value range for of serum BHMT content in healthy population ranges from 0.00 to 28.01 ng/mL.There was a good positive correlation between BHMT and ALT.BHMT might not be closely related to kidney injury,while be more specific to liver injure.BHMT could be a better marker of acute poisoning liver injury.
9.The Study of SEB/OVA Allergic Rhinitis Mice Model
Journal of Medical Research 2006;0(03):-
Objective To establish mice modle of allergic rhinitis(AR) and to study the role of Staphylococcal enterotoxin B(SEB) and ovalbumin(OVA) in the modle.Methods Forty Balb/c mice were evenly randomized into OVA group,SEB group,OVA+SEB group and normal sodium group and AR modle was established.The symptom scores,total serum IgE concentration,IL-4 concentration were analyzed by factorial design.Meanwhile,the morphology change of nasal mucosa was observed.Results The symptom scores in OVA group,SEB group,OVA+SEB group and normal sodium group were 6.80?1.03,0.90?0.99,0.70?0.82,0.60?0.70 respectirely.The interaction of OVA and SEB had statistical significance(P
10.Study on the insulin resistance and leptin resistance in women with polycystic ovary syndrome
Journal of Medical Postgraduates 2003;0(04):-
Objective:To study the insulin resistance and leptin resistance in women with polycystic ovary syndrome(PCOS).Methods:Body mass index(BMI),serum leptin,fasting blood glucose(FBG),fasting insulin(FINS),serum triglyceride,total cholesterol,high-density lipoprotein,low-density lipoprotein and insulin resistance index(HOMA-IR) were assessed in 30 normal women,30 simple obesity women and 41 PCOS women.Results:①The PCOS patients showed higher levels of BMI,serum leptin,FINS,HOMA-IR and low-density lipoprotein,and lower levels of high-density lipoprotein than that in normal control.Compared to simple obesity women,there only showed higher FINS level and lower BMI in PCOS women.②Serum leptin levels in PCOS patients were concerned with BMI、FINS、HOMA-IR and serum triglyceride levels.③There were no significant difference of the FINS and HOMA-IR between normal women and non obese PCOS women,but the obese PCOS women showed higher levels of FINS and HOMA-IR than that in simple obesity women;the serum leptin levels showed no significant difference between normal women and non-obese PCOS women,simple obesity women and obese PCOS women. Conclusion:PCOS patients may have insulin resistance and leptin resistance;There may have regulative effect between leptin resistance and insulin resistance in PCOS patients;There are direct relationship between insulin resistance and PCOS;The rise of serum leptin level in PCOS women may be the assident manifestation of obesity.